Developed in Elstroj and produced by Tesla Liberec and later Tesla Blatna, the Ondra was a low-cost system intended for computing initiation at home and school.
It was build around the U880 processor (East-German version of the Z80). It featured 64 KB RAM, 4 KB ROM and had 320 x 255 graphic capabilities. Three peripherals could be connected, a tape recorder, a Parallel printer and a joystick.
Only 1000 units were ever made. Then Tesla wanted to give the manufacturing to other firm. Unfortunately that never happened.
Picture and information from Jan Krupka
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NAME
ONDRA
MANUFACTURER
Tesla
TYPE
Home Computer
ORIGIN
Czechoslovakia
YEAR
1985
BUILT IN LANGUAGE
None. BASIC language must be loaded from the tape.